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Radial Engineering HEADLIGHT, Manual

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Radial Engineering HEADLIGHT Manual Download Page 14

Radial Engineering Ltd.

Headlight™ User Guide

12

SPEcIFIcATIONS*

Audio circuit type: ..........................................................................................Classic Class-A FET
Frequency response: .............................................................................................. 30Hz to 30kHz
Total Harmonic Distortion (THD+N): .....................................................................................0.01%
Dynamic range: ..................................................................................................................116dBu
Maximum input: ................................................................................................................... +8dBu
Input impedance: ........................................................................................................... 20K to 1M
Gain - CH1 to CH4: ............................................................................................................. -0.5dB
Clip level - output: ................................................................................................................ +7dBu

Noise floor:

 ....................................................................................................................... -112dBu

Intermodulation distortion: ....................................................................................................0.02%
Phase deviation: .........................................................................................-1.35º @ -20dBu/1kHz
Crosstalk:............................................................................................................................<-92dB
Power: .................................................................... 9V / 80mA Center pin negative (not included)
Construction: ........................................................................ 14 gauge steel chassis & outer shell
Size (LxWxD): ............................................................................5” x 4.9” x 2” (127 x 124 x 51mm)
Weight: ...............................................................................................................2 lbs (907 grams)
Warranty: ..............................................................................................Radial 3-year, transferable

* Subject to change without notice.

Summary of Contents for HEADLIGHT

Page 1: ...Guitar Amp Selector Radial Engineering Ltd 1588 Kebet Way Port Coquitlam BC V3C 5M5 Tel 604 942 1001 Fax 604 942 1010 Email info radialeng com ...

Page 2: ......

Page 3: ...that unlike other switchers that employ dedicated footswitches to turn on or off amps the Headlight features a single footswitch that sequentially rotates through the outputs depending on how many amps are connected This allows the Headlight to be used as a typical ABY with two outputs as a 3 output ABC switcher for clean rhythm and lead amps or switch between four amps to find the ultimate tone i...

Page 4: ...T input used to connect a guitar or bass to the Headlight 2 tuner Dedicated separately buffered output is always on connects to tuner 3 OUTPUT 1 Default output and should always be used as it provides a safe ground path to the instrument 4 OUTPUT 2 3 4 Isolated outputs used to send signal to different amps or effects 5 9vdc Power jack for typical 9V supply or pedalboard power brick not included 6 ...

Page 5: ...s you adjust the load on the pickup for the most natural tone 8 SELECT Heavy duty footswitch used to cycle through outputs 1 4 using radio button style functionality 9 MUTE ALL ON Footswitch used to mute the amps for tuning or can be set to turn all outputs on at the same time 10 ALL ON Changes the MUTE footswitch function to ALL ON when activated 11 LIFT Used to help reduce hum and buzz caused by...

Page 6: ... There is no power switch on the Headlight As soon as you connect a 9V power supply it will come to life The Headlight em ploys a typical 9V Boss style power supply not included Once the power connection is made the output 1 LED will illuminate The Headlight is equipped with a power supply cable lock to prevent accidental disconnection To use simply unscrew using a hex key insert the power cable t...

Page 7: ...mp and should always be connected as it provides a safety ground path to the guitar Slowly turn up the volume on your amp to a comfortable listening level Make sure all of the ground lift switches are in the down position This allows the switching jacks to perform properly With only one amp connected depressing the OUTPUT SELECT footswitch will not change status Add a second amp to OUTPUT 2 follow...

Page 8: ...tuning Having a separately buffered dedicated tuner out helps eliminate clocking noise that can become audible if using an ultra high gain amp To mute the amps simply depress the mute footswitch and the MUTE LED will illuminate You can now tune without upsetting the audience 9VDC Made in Canada INPUT TUNER OUT 2 OUT 1 OUT 4 OUT 3 MUTE TM HEADLIGHT LIFT GND POL 180º OUT 4 OUT 3 OUT 2 OUT 1 DRAG MUT...

Page 9: ...et with all four jumpers in place meaning that when depressed the output going to all amps will be activated Pulling out the jumpers for amps 1 and 2 will result in amps 3 and 4 turning on when the all on mute switch is depressed Keep in mind that this is not a toggle switch it is an add on switch So if you are playing through amp 1 output 1 active and depress the all on switch output 1 will still...

Page 10: ... isolated to block stray DC voltage and are very effective at reducing noise These 3 outputs are also equipped with ground lift switches that lift the audio ground without affecting the safety of the electrical ground Never cut or disconnect the electri cal safety ground from your amplifier as this is there to protect you IMPORTANT SAFETY NOTICE As you are the sole user of the Headlight you are en...

Page 11: ...me How ever when more than one amp is on certain frequencies will either combine and get louder when in phase or cancel out when out of phase and sound distant The easiest way to test for phase is to face your two amps together and listen If the sound is weak or distant in the bass region the amps are likely out of phase Using output 1 as the reference try toggling the output 2 180º polarity rever...

Page 12: ... switch to the downward posi tion so that when the mute footswitch is depressed both amps will play at once You can then add effects pedals before or after the Headlight to create various setups Select between the two amps using the select footswitch or have both amps play at once using the mute foot switch 9VDC Made in Canada INPUT TUNER OUT 2 OUT 1 OUT 4 OUT 3 MUTE TM HEADLIGHT LIFT GND POL 180º...

Page 13: ...the Headlight to switch between 3 or 4 channels on a mixer using output 1 to channel 1 for dry output 2 to chan nel 2 to add reverb output 3 and chan nel 3 set louder for soloing and if you like output 4 to insert a crazy chorus effect on channel 4 9VDC Made in Canada INPUT TUNER OUT 2 OUT 1 OUT 4 OUT 3 MUTE TM HEADLIGHT LIFT GND POL 180º OUT 4 OUT 3 OUT 2 OUT 1 DRAG MUTE ALL ON OUT 3 4 OUT 1 2 IN...

Page 14: ...ut 8dBu Input impedance 20K to 1M Gain CH1 to CH4 0 5dB Clip level output 7dBu Noise floor 112dBu Intermodulation distortion 0 02 Phase deviation 1 35º 20dBu 1kHz Crosstalk 92dB Power 9V 80mA Center pin negative not included Construction 14 gauge steel chassis outer shell Size LxWxD 5 x 4 9 x 2 127 x 124 x 51mm Weight 2 lbs 907 grams Warranty Radial 3 year transferable Subject to change without no...

Page 15: ...light User Guide 13 TUNER INPUT BUFFER DRAG SELECT SWITCH OUTPUT PHASE REV GND LIFT OUT 4 PHASE REV GND LIFT OUT 2 PHASE REV GND LIFT OUT 3 OUT 1 ON ON ON ON MUTE ALL ON ALL ON MUTE Subject to change without notice BLOCK DIAGRAM ...

Page 16: ...r and you must assume the risk of loss or damage A copy of the original invoice showing date of purchase and the dealer name must accompany any request for work to be performed under this limited and transferable warranty This warranty shall not apply if the product has been damaged due to abuse misuse misapplication accident or as a result of service or modification by any other than an authorize...

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